Word/Excel/PDF Metadata Editor – Outil en ligne gratuit – ToolBox

Word (DOCX) / Excel (XLSX) / PDF metadata editor. View and edit common document properties such as creation time, modification time, author, title, subject, keywords, and description. Also supports Office extended properties (company, manager) and custom properties. Everything runs locally in your browser en ligne gratuit avec no file uploads, ideal for privacy cleanup before sharing and for document metadata normalization.